js/views/system.js

   1 /*
   2  * This file is part of
   3  *
   4  * Ajatus - Distributed CRM
   5  * @requires jQuery v1.2.1
   6  *
   7  * Copyright (c) 2007 Jerry Jalava <jerry.jalava@gmail.com>
   8  * Copyright (c) 2007 Nemein Oy <http://nemein.com>
   9  * Website: http://ajatus.info
  10  * Licensed under the GPL license
  11  * http://www.gnu.org/licenses/gpl.html
  12  *
  13  */
  14
  15 (function($){
  16     $.ajatus = $.ajatus || {};
  17     $.ajatus.views = $.ajatus.views || {};
  18
  19     $.ajatus.views.system = {
  20         available: [
  21             'frontpage', 'edit', 'create', 'item', 'tags', 'trash'
  22         ]
  23     };
  24     $.ajatus.views.system.frontpage = {
  25         title: 'Frontpage',
  26         options: {
  27             group_item_count: 3,
  28             max_items_before_pool: 3
  29         },
  30         in_tabs: true,
  31         history_support: true,
  32
  33         pool_settings: {
  34             enabled: false,
  35             settings: {
  36                 tick_limit: 4
  37             }
  38         },
  39
  40         tab: {
  41             on_click: function(e)
  42             {
  43                 $.ajatus.tabs.on_click(e);
  44                 $.ajatus.views.system.frontpage.render();
  45             }
  46         },
  47
  48         render: function()
  49         {
  50             $.ajatus.application_content_area.html('');
  51             $.ajatus.layout.body.set_class('frontpage');
  52             $.ajatus.views.on_change("#view.frontpage");
  53
  54             $.each($.ajatus.preferences.client.content_types, function(key,type){
  55                 if (   !type.views['list']
  56                     || type.on_frontpage == false) {
  57                     return false;
  58                 }
  59
  60                 var on_success = function(data) {
  61                     if (data.total_rows == 0) {
  62                         return;
  63                     }
  64
  65                     var pool_settings = $.ajatus.views.system.frontpage.pool_settings;
  66                     if (data.total_rows >= $.ajatus.views.system.frontpage.options.max_items_before_pool) {
  67                         pool_settings.enabled = true;
  68                     }
  69
  70                     var renderer = new $.ajatus.renderer.list(
  71                         $.ajatus.application_content_area,
  72                         type,
  73                         {
  74                             id: type.name + '_list_holder',
  75                             append: true,
  76                             pool: pool_settings
  77                         }
  78                     );
  79
  80                     $.each(data.rows, function(i,doc){
  81                         var doc = new $.ajatus.document(doc);
  82                         renderer.render_item(doc, i);
  83                     });
  84
  85                     return data;
  86                 };
  87
  88                 if (   $.ajatus.tags.active != ''
  89                     && typeof type.views['list_at'] != 'undefined')
  90                 {
  91                     $.jqCouch.connection('view', on_success).temp($.ajatus.preferences.client.content_database, type.views['list_at'], {
  92                         count: $.ajatus.views.system.frontpage.options.group_item_count,
  93                         descending: true
  94                     });
  95                 } else {
  96                     $.jqCouch.connection('view', on_success).get($.ajatus.preferences.client.content_database, type.name+'/list', {
  97                         count: $.ajatus.views.system.frontpage.options.group_item_count,
  98                         descending: true
  99                     });
 100                 }
 101             });
 102         }
 103     };
 104     $.ajatus.views.system.tags = {
 105         title: 'Tags',
 106         options: {
 107         },
 108         in_tabs: true,
 109         application_tab: true,
 110         history_support: true,
 111         icon: 'tag.png',
 112
 113         tab: {
 114             on_click: function(e) {
 115                 $.ajatus.tabs.on_click(e);
 116                 $.ajatus.views.system.tags.render();
 117             }
 118         },
 119
 120         render: function() {
 121             $.ajatus.application_content_area.html('');
 122             $.ajatus.layout.body.set_class('tags');
 123             $.ajatus.views.on_change("#view.tags");
 124
 125             $.ajatus.toolbar.init();
 126             $.ajatus.toolbar.show();
 127
 128             $.ajatus.views.system.tags.get_items();
 129         },
 130
 131         render_results: function(tags, items) {
 132             var type = $.ajatus.preferences.client.content_types['tag'];
 133
 134             var renderer = new $.ajatus.renderer.list(
 135                 $.ajatus.application_content_area,
 136                 type,
 137                 {
 138                     id: 'tags_list_holder',
 139                     headers: [
 140                         'title', 'context', 'value', 'created', 'creator', 'used'
 141                     ],
 142                     pool: {
 143                         type: 'scroll'
 144                     }
 145                 }
 146             );
 147
 148             var x = 0;
 149             $.each(tags, function(i,doc){
 150                 var doc = new $.ajatus.document(doc);
 151                 doc.value['used'] = {
 152                     val: (typeof items[doc._id] != 'undefined' ? items[doc._id].length : 0)
 153                 };
 154                 renderer.render_item(doc, x);
 155                 x+=1;
 156             });
 157
 158             renderer.enable_sorting();
 159
 160             $.ajatus.views.system.tags.get_duplicates(items);
 161         },
 162
 163         render_duplicates: function(rows, items) {
 164             var type = $.ajatus.preferences.client.content_types['tag'];
 165
 166             var renderer = new $.ajatus.renderer.list(
 167                 $.ajatus.application_content_area,
 168                 type,
 169                 {
 170                     id: 'tag_dups_list_holder',
 171                     title: $.ajatus.i10n.get("Duplicates"),
 172                     headers: [
 173                         'title', 'context', 'value', 'created', 'creator', 'used'
 174                     ],
 175                     pool: {
 176                         type: 'scroll'
 177                     },
 178                     append: true
 179                 }
 180             );
 181
 182             var duplicates = [];
 183             var duplicate_ids = [];
 184
 185             var tags = {};
 186
 187             var hashes = [];
 188             var ids = [];
 189
 190             $.each (rows, function(i,doc){
 191                 var doc = new $.ajatus.document(doc);
 192                 // console.log(doc._id);
 193                 // console.log(doc.key);
 194                 // console.log(doc.value.context.val);
 195                 // console.log(doc.value.value.val);
 196
 197                 // if (typeof tags[doc.key] == 'undefined') {
 198                 //     tags[doc.key] = {
 199                 //         contexts: [doc.value.context.val],
 200                 //         values: [doc.value.value.val],
 201                 //         docs: [doc],
 202                 //     };
 203                 // } else {
 204                 //     tags[doc.key].contexts.push(doc.value.context.val);
 205                 //     tags[doc.key].values.push(doc.value.value.val);
 206                 //     tags[doc.key].docs.push(doc);
 207                 // }
 208
 209                  var tag_hash = $.ajatus.utils.md5.encode(doc.value.context.val + ':' + doc.key + '=' + doc.value.value.val);
 210                  hashes.push(tag_hash);
 211                  ids.push(doc._id);
 212
 213                  tags[doc._id] = doc;
 214             });
 215
 216             var match_found = false;
 217             var match_count = 0;
 218             var chashes = hashes;
 219             for (var i=0; i<hashes.length;i++) {
 220                 var key = hashes[i];
 221                 chashes[i] = '';
 222                 var matched = $.inArray(key, chashes);
 223                 if (matched != -1) {
 224                     duplicate_ids.push(ids[i]);
 225                     match_found = true;
 226                     match_count += 1;
 227                 }
 228             }
 229
 230             // console.log("match_found: "+match_found);
 231             // console.log("match_count: "+match_count);
 232             // console.log("duplicate_ids: ");
 233             // console.log(duplicate_ids);
 234
 235             var x = 0;
 236             $.each(tags, function(i,d){
 237                 if ($.inArray(i, duplicate_ids) != -1) {
 238                     d.value['used'] = {
 239                         val: (typeof items[d._id] != 'undefined' ? items[d._id].length : 0)
 240                     };
 241                     renderer.render_item(d, x);
 242                     x+=1;
 243                 }
 244             });
 245
 246             renderer.enable_sorting();
 247         },
 248
 249         get_items: function(on_success) {
 250             var conn_on_success = function(data) {
 251                 if (data.total_rows == 0) {
 252                     var key = $.ajatus.i10n.plural($.ajatus.i10n.get('tag'));
 253                     var msg = $.ajatus.elements.messages.static($.ajatus.i10n.get('Empty results'), $.ajatus.i10n.get('No %s found', [key]));
 254                     return;
 255                 }
 256
 257                 var tags = {};
 258                 var items = {};
 259
 260                 $.each(data.rows, function(i,n){
 261                     if (n.key[1] == 0) {
 262                         tags[n.key[0]] = n;
 263                     } else {
 264                         if (typeof items[n.key[0]] == 'undefined') {
 265                             items[n.key[0]] = [];
 266                         }
 267                         items[n.key[0]].push(n);
 268                     }
 269                 });
 270
 271                 if (typeof on_success == 'undefined') {
 272                     on_success = $.ajatus.views.system.tags.render_results;
 273                 }
 274
 275                 on_success(tags, items);
 276
 277                 return data;
 278             };
 279
 280             $.jqCouch.connection('view', conn_on_success).get($.ajatus.preferences.client.content_database, 'tag/list_with_docs', {
 281                 // startkey: ["ED862081B2FBF46FB0CDBBE848ED6856", 0],
 282                 // endkey: ["ED862081B2FBF46FB0CDBBE848ED6856", 1]
 283             });
 284         },
 285
 286         get_duplicates: function(items) {
 287             var conn_on_success = function(data) {
 288                 if (data.total_rows == 0) {
 289                     var key = $.ajatus.i10n.plural($.ajatus.i10n.get('dublicate'));
 290                     var msg = $.ajatus.elements.messages.static($.ajatus.i10n.get('Empty results'), $.ajatus.i10n.get('No %s found', [key]));
 291                     return;
 292                 }
 293
 294                 if (typeof on_success == 'undefined') {
 295                     on_success = $.ajatus.views.system.tags.render_duplicates;
 296                 }
 297
 298                 on_success(data.rows, items);
 299
 300                 return data;
 301             };
 302
 303             $.jqCouch.connection('view', conn_on_success).get($.ajatus.preferences.client.content_database, 'tag/list_by_title', {
 304             });
 305         }
 306
 307     };
 308     $.ajatus.views.system.trash = {
 309         title: 'Trash',
 310         options: {
 311             group_item_count: 10
 312         },
 313         in_tabs: true,
 314         application_tab: true,
 315         history_support: true,
 316         icon: 'trash.png',
 317
 318         tab: {
 319             on_click: function(e)
 320             {
 321                 $.ajatus.tabs.on_click(e);
 322                 $.ajatus.views.system.trash.render();
 323             }
 324         },
 325
 326         get_items: function(on_success) {
 327             var trash_view = 'if (doc.value.metadata.deleted.val == true) {';
 328             trash_view += 'map( doc.value.metadata.revised, {"_type": doc.value._type,';
 329             trash_view += '"title": doc.value.title,';
 330
 331             $.each($.ajatus.preferences.client.content_types, function(key,type){
 332                 if (type['title_item']) {
 333                     $.each(type['title_item'], function(i,part){
 334                         if (type.schema[part]) {
 335                             trash_view += '"'+part+'": doc.value.'+part+',';
 336                         }
 337                     });
 338                 }
 339             });
 340
 341             trash_view += '"revised": doc.value.metadata.revised,"by": doc.value.metadata.revisor,"tags": doc.value.tags})}';
 342
 343             var conn_on_success = function(data) {
 344                 if (data.total_rows == 0) {
 345                     var key = $.ajatus.i10n.plural($.ajatus.i10n.get('deleted item'));
 346                     var msg = $.ajatus.elements.messages.static($.ajatus.i10n.get('Empty results'), $.ajatus.i10n.get('No %s found', [key]));
 347                     return;
 348                 }
 349
 350                 if (typeof on_success == 'undefined') {
 351                     on_success = $.ajatus.views.system.trash.render_results;
 352                 }
 353
 354                 on_success(data.rows);
 355                 return data;
 356             };
 357
 358             $.jqCouch.connection('view', conn_on_success).temp($.ajatus.preferences.client.content_database, "$.ajatus.views.generate('"+trash_view+"')", {
 359                 count: $.ajatus.views.system.trash.options.group_item_count,
 360                 descending: true
 361             });
 362         },
 363
 364         render: function()
 365         {
 366             $.ajatus.application_content_area.html('');
 367             $.ajatus.layout.body.set_class('trash');
 368             $.ajatus.views.on_change("#view.trash");
 369
 370             $.ajatus.toolbar.init();
 371             $.ajatus.toolbar.show();
 372
 373             $.ajatus.views.system.trash.get_items();
 374         },
 375
 376         render_results: function(rows)
 377         {
 378             var result_count = {};
 379             var show_empty_trash = false;
 380
 381             $.each($.ajatus.preferences.client.content_types, function(key,type){
 382                 if (!type.views['list']) {
 383                     return false;
 384                 }
 385
 386                 result_count[type.name] = 0;
 387
 388                 $.each(rows, function(i,doc){
 389                     if (doc.value._type == type.name) {
 390                         result_count[type.name] += 1;
 391                     }
 392                 });
 393
 394                 if (result_count[type.name] == 0) {
 395                     return;
 396                 }
 397
 398                 show_empty_trash = true;
 399
 400                 var renderer = new $.ajatus.renderer.list(
 401                     $.ajatus.application_content_area,
 402                     false,
 403                     {
 404                         id: type.name + '_list_holder',
 405                         append: true,
 406                         title: type.title,
 407                         headers: [
 408                             'title', 'revised', 'by'
 409                         ],
 410                         schema: $.extend({
 411                             by: {
 412                                 label: 'By'
 413                             }
 414                         }, type.schema)
 415                     }
 416                 );
 417
 418                 $.each(rows, function(i,doc){
 419                     if (doc.value._type == type.name) {
 420                         var doc = new $.ajatus.document(doc);
 421
 422                         renderer.set_actions(
 423                             [
 424                                 {
 425                                     name: 'view',
 426                                     title: $.ajatus.i10n.get('View'),
 427                                     icon: 'view.png',
 428                                     click_action: '$.ajatus.views.system.item.render(doc);'
 429                                 },
 430                                 {
 431                                     name: 'undelete',
 432                                     title: $.ajatus.i10n.get('Undelete'),
 433                                     icon: 'undo.png',
 434                                     click_action: '$.ajatus.document.actions.execute("undelete", doc);'
 435                                 },
 436                                 {
 437                                     name: 'delete_final',
 438                                     title: $.ajatus.i10n.get('Delete'),
 439                                     icon: 'trash.png',
 440                                     click_action: '$.ajatus.document.actions.execute("delete_final", doc);'
 441                                 }
 442                             ]
 443                         );
 444                         renderer.render_item(doc, i);
 445                     }
 446                 });
 447
 448                 renderer.enable_sorting();
 449             });
 450
 451             if (show_empty_trash) {
 452                 $.ajatus.toolbar.add_item($.ajatus.i10n.get('Empty trash'), 'trash.png', function(){
 453                     $.ajatus.views.system.trash.empty();
 454                 });
 455             }
 456         },
 457         empty: function() {
 458             var answer = confirm($.ajatus.i10n.get("Deleting all items in trash. Are you sure?"));
 459             if (answer) {
 460                 $.ajatus.views.system.trash.get_items($.ajatus.views.system.trash.execute_empty);
 461             }
 462         },
 463         execute_empty: function(rows) {
 464             $.each(rows, function(i,doc){
 465                 doc = new $.ajatus.document(doc);
 466                 $.ajatus.document.actions.execute("delete_final", doc);
 467             });
 468         }
 469     };
 470     $.ajatus.views.system.edit = {
 471         title: 'Edit',
 472         options: {
 473         },
 474         in_tabs: false,
 475         dynamic_history: true
 476     };
 477     $.extend($.ajatus.views.system.edit, {
 478         render: function(type, doc, use_given_doc)
 479         {
 480             if (typeof use_given_doc == 'undefined') {
 481                 use_given_doc = false;
 482             }
 483
 484             var content_type = type;
 485
 486             if (! use_given_doc) {
 487                 var doc = new $.ajatus.document.loader(doc._id, doc._rev);
 488             }
 489
 490             if (! type) {
 491                 content_type = $.ajatus.preferences.client.content_types[doc.value._type];
 492             }
 493
 494             if (typeof(type) == 'string') {
 495                 content_type = $.ajatus.preferences.client.content_types[type];
 496             }
 497
 498             $.ajatus.layout.body.set_class('edit '+content_type.name);
 499
 500             var view_hash = '#edit.'+doc.value._type+'.'+doc._id+'.'+doc._rev;
 501             $.ajatus.history.update(view_hash);
 502             $.ajatus.views.on_change(view_hash);
 503
 504             var latest_rev = $.ajatus.document.revisions.get(doc).active.rev;
 505
 506             if (   content_type.custom_renderer
 507                 && typeof(content_type.custom_renderer['edit']) == 'function')
 508             {
 509                 var renderer = content_type.custom_renderer.edit(doc, latest_rev);
 510             } else {
 511                 var renderer = new $.ajatus.renderer.form(content_type, doc, false, latest_rev);
 512                 $.ajatus.application_content_area.html(renderer.form);
 513                 $.ajatus.forms.register.normal(renderer.form);
 514             }
 515         },
 516         history_register: function() {
 517             $.ajatus.history.add_dynamic_map(['edit'], 3, '$.ajatus.views.system.edit.history_render');
 518         },
 519         history_render: function() {
 520             var type = arguments[0];
 521             var id = arguments[1];
 522             var rev = false;
 523
 524             if (   typeof arguments[2] != 'undefined'
 525                 && arguments[2] != '')
 526             {
 527                 rev = arguments[2];
 528             }
 529
 530             var doc = new $.ajatus.document.loader(id, rev);
 531             $.ajatus.views.system.edit.render(type, doc);
 532         }
 533     });
 534
 535     $.ajatus.views.system.create = {
 536         title: 'Create',
 537         options: {
 538         },
 539         in_tabs: false,
 540         dynamic_history: true
 541     };
 542     $.extend($.ajatus.views.system.create, {
 543         render: function(type, doc)
 544         {
 545             var content_type = type;
 546
 547             if (typeof(type) == 'string') {
 548                 content_type = $.ajatus.preferences.client.content_types[type];
 549             }
 550
 551             $.ajatus.layout.body.set_class('create '+content_type.name);
 552
 553             var view_hash = '#create.'+content_type.name;
 554
 555             $.ajatus.history.update(view_hash);
 556
 557             $.ajatus.views.on_change(view_hash);
 558
 559             if (   content_type.custom_renderer
 560                 && typeof(content_type.custom_renderer['create']) == 'function')
 561             {
 562                 var renderer = content_type.custom_renderer.create();
 563             } else {
 564                 var renderer = new $.ajatus.renderer.form(content_type, doc, true);
 565                 $.ajatus.application_content_area.html(renderer.form);
 566                 $.ajatus.forms.register.normal(renderer.form);
 567             }
 568         },
 569         history_register: function() {
 570             $.ajatus.history.add_dynamic_map(['create'], 2, '$.ajatus.views.system.create.history_render');
 571         },
 572         history_render: function() {
 573             var type = arguments[0];
 574
 575             $.ajatus.views.system.create.render(type);
 576         }
 577     });
 578
 579     $.ajatus.views.system.item = {
 580         title: 'View item',
 581         options: {
 582         },
 583         in_tabs: false,
 584         dynamic_history: true
 585     };
 586     $.extend($.ajatus.views.system.item, {
 587         render: function(doc)
 588         {
 589             if (typeof doc._rev != 'undefined') {
 590                 var doc = new $.ajatus.document.loader(doc._id, doc._rev);
 591             } else {
 592                 var doc = new $.ajatus.document.loader(doc._id);
 593             }
 594
 595             var content_type = $.ajatus.preferences.client.content_types[doc.value._type];
 596
 597             $.ajatus.layout.body.set_class('view '+doc.value._type);
 598
 599             var view_hash = '#view.'+doc.value._type+'.'+doc._id+'.'+doc._rev;
 600             $.ajatus.history.update(view_hash);
 601             $.ajatus.views.on_change(view_hash);
 602
 603             $.ajatus.toolbar.add_item($.ajatus.i10n.get('Edit'), {
 604                 icon: 'edit.png',
 605                 action: function(){
 606                     $.ajatus.views.system.edit.render(content_type, doc);
 607                 },
 608                 access_key: 'Ctrl+e'
 609             });
 610
 611             if (doc.value.metadata.archived.val) {
 612                 var unarch_id = $.ajatus.toolbar.add_item($.ajatus.i10n.get('Restore'), 'undo.png', function(item, doc){
 613                     doc._rev = null;
 614                     $.ajatus.document.actions.execute("unarchive", doc);
 615
 616                     $.ajatus.toolbar.hide_item(item.id);
 617                     $.ajatus.toolbar.add_item($.ajatus.i10n.get('Archive'), 'archive.png', function(item, doc, unarch_item_id){
 618                         doc._rev = null;
 619                         $.ajatus.document.actions.execute("archive", doc);
 620
 621                         $.ajatus.toolbar.hide_item(item.id);
 622                         $.ajatus.toolbar.show_item(unarch_item_id);
 623                     }, [doc, unarch_id], unarch_id);
 624                 }, [doc]);
 625             } else {
 626                 var arch_id = $.ajatus.toolbar.add_item($.ajatus.i10n.get('Archive'), 'archive.png', function(item, doc){
 627                     doc._rev = null;
 628                     $.ajatus.document.actions.execute("archive", doc);
 629
 630                     $.ajatus.toolbar.hide_item(item.id);
 631                     $.ajatus.toolbar.add_item($.ajatus.i10n.get('Restore'), 'undo.png', function(item, doc, arch_item_id){
 632                         doc._rev = null;
 633                         $.ajatus.document.actions.execute("unarchive", doc);
 634
 635                         $.ajatus.toolbar.hide_item(item.id);
 636                         $.ajatus.toolbar.show_item(arch_item_id);
 637                     }, [doc, arch_id], arch_id);
 638                 }, [doc]);
 639             }
 640
 641             if (doc.value.metadata.deleted.val) {
 642                 var undel_id = $.ajatus.toolbar.add_item($.ajatus.i10n.get('Undelete'), 'undo.png', function(item, doc){
 643                     doc._rev = null;
 644                     $.ajatus.document.actions.execute("undelete", doc);
 645
 646                     var d = doc;
 647                     $.ajatus.toolbar.hide_item(item.id);
 648                     $.ajatus.toolbar.add_item($.ajatus.i10n.get('Delete'), 'trash.png', function(item, doc, undel_item_id){
 649                         doc._rev = null;
 650                         $.ajatus.document.actions.execute("delete", doc);
 651
 652                         $.ajatus.toolbar.hide_item(item.id);
 653                         $.ajatus.toolbar.show_item(undel_item_id);
 654                     }, [d, undel_id], undel_id);
 655                 }, [doc]);
 656             } else {
 657                 var del_id = $.ajatus.toolbar.add_item($.ajatus.i10n.get('Delete'), 'trash.png', function(item, doc){
 658                     doc._rev = null;
 659                     $.ajatus.document.actions.execute("delete", doc);
 660
 661                     var d = doc;
 662                     $.ajatus.toolbar.hide_item(item.id);
 663                     $.ajatus.toolbar.add_item($.ajatus.i10n.get('Undelete'), 'undo.png', function(item, doc, del_item_id){
 664                         doc._rev = null;
 665                         $.ajatus.document.actions.execute("undelete", doc);
 666
 667                         $.ajatus.toolbar.hide_item(item.id);
 668                         $.ajatus.toolbar.show_item(del_item_id);
 669                     }, [d, del_id], del_id);
 670                 }, [doc]);
 671             }
 672
 673             $.ajatus.toolbar.show();
 674
 675             var metadata_sb = new $.ajatus.renderer.blocks.sub('metadata_for_'+doc._id);
 676             metadata_sb.set_title($.ajatus.i10n.get('Metadata'));
 677             $.ajatus.views.on_change_actions.add('$.ajatus.renderer.blocks.clear_sub("'+metadata_sb.id+'");');
 678
 679             var md_renderer = new $.ajatus.renderer.metadata(doc, metadata_sb.element);
 680
 681             if (typeof doc.value.tags != 'undefined') {
 682                 var rel_docs = $.ajatus.tags.related(doc.value.tags.val, [doc._id]);
 683
 684                 var related_sb = new $.ajatus.renderer.blocks.sub('related_objects');
 685                 related_sb.set_title($.ajatus.i10n.get('Related Objects'));
 686                 $.ajatus.views.on_change_actions.add('$.ajatus.renderer.blocks.clear_sub("'+related_sb.id+'");');
 687
 688                 var tinylist = new $.ajatus.renderer.tinylist(related_sb.element);
 689                 tinylist.render_items(rel_docs);
 690             }
 691
 692             if (   content_type.custom_renderer
 693                 && typeof(content_type.custom_renderer['item']) == 'function')
 694             {
 695                 var renderer = content_type.custom_renderer.item();
 696             } else {
 697                 var renderer = new $.ajatus.renderer.item(doc);
 698             }
 699         },
 700         history_register: function() {
 701             $.ajatus.history.add_dynamic_map(['view'], 3, '$.ajatus.views.system.item.history_render');
 702         },
 703         history_render: function() {
 704             var type = arguments[0];
 705             var id = arguments[1];
 706             var rev = false;
 707
 708             if (   typeof arguments[2] != 'undefined'
 709                 && arguments[2] != '')
 710             {
 711                 rev = arguments[2];
 712             }
 713
 714             if (rev) {
 715                 var data = {
 716                     _id: id,
 717                     _rev: rev,
 718                     value: {
 719                         _type: type
 720                     }
 721                 };
 722             } else {
 723                 var data = {
 724                     _id: id,
 725                     value: {
 726                         _type: type
 727                     }
 728                 };
 729             }
 730
 731             if (typeof data['toSource'] != 'undefined') {
 732                 data = data.toSource();
 733             }
 734
 735             setTimeout("$.ajatus.views.system.item.render("+data+");", 200);
 736         }
 737     });
 738
 739 })(jQuery);